Question 137068 in Javascript Question posted in
A very good W3school tutorial can be found here.

Dom manipulation in javascript about "querySelector“

function select() {
  document.querySelector();
}

const modal = select('.modal');

modal.add.....

Why can’t I addEventListener for modal?

I try to change ‘querySelectorAll’ ,but it doesn’t work

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2

Answers


  1. 0

    You don’t pass the query argument and you don’t return the element

    function select(query) {
  return document.querySelector(query);
}
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  2. 0

    It isn’t clear what you are selecting here. You are using a function called select and passing the argument ‘.modal’ but your function is not accepting any of parameters.
    So, the code must be

    function select(selector) {
  return document.querySelector(selector);
}

const modal = select('.modal');

modal.add.....
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